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Fruit crinkle-resistant agent, as well as preparation method and application thereof

An anti-wrinkle agent and fruit technology, applied in the field of fruit anti-wrinkle agent and its preparation, can solve the problems of affecting appearance, fruit quality and flavor, nutritional and medicinal value, reducing commodity value, short shelf life, etc. Shrinkage and moisture loss reduction effect

Active Publication Date: 2019-11-19
广东省科学院生物与医学工程研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after the passion fruit is picked, its color gradually deepens, and it is very prone to shrinkage, depression, rotten spots, rot, and fermentation odors and other spoilage phenomena, which seriously affect its appearance, fruit quality, flavor, nutrition and medicinal value. , and then reduce the commodity value, the shelf life is very short, which has become the bottleneck of the passion fruit market potential (Shiomi S., Kubo Y., Wamocho L.S., Koaze H., Inaba A. Postharvestripening and ethylene biosynthesis in purple passion fruit. Postharvest Biology and Technology, 1996, 8(3):199-207)
[0005] Okra purified polysaccharide is a natural polysaccharide extracted from okra. The sugar is a polyrhamnogalacturonic acid with a molecular weight greater than 2990K Da. Environmentally friendly, safe, non-toxic, and low-cost natural food preservative. It has good moisture retention, film-forming properties, non-toxic, tasteless, and biodegradable. At present, there are no relevant reports on the application of okra purified polysaccharides in anti-shrinkage of fruits

Method used

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  • Fruit crinkle-resistant agent, as well as preparation method and application thereof
  • Fruit crinkle-resistant agent, as well as preparation method and application thereof
  • Fruit crinkle-resistant agent, as well as preparation method and application thereof

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Effect test

Embodiment 1

[0034] Embodiment 1 of the present invention is: a fruit anti-wrinkle agent, the fruit anti-wrinkle agent is a compound solution of okra purified polysaccharide, silk protein and calcium salt. The fruit anti-wrinkle agent is applied to fresh-keeping storage for alleviating the shrinkage symptoms of passion fruit, and the specific operations are as follows:

[0035] 1. Materials:

[0036] Passion fruit: the picked green passion fruit, the variety is purple passion fruit.

[0037] Silk protein: provided by Jiangsu Fushengde Biological Engineering Co., Ltd.

[0038] Purified polysaccharides from okra: purified polysaccharides prepared by hot water extraction, ethanol precipitation, protein removal, cellulose (Diethylaminoethylcellulose, DEAE) column purification, and ultrafiltration and centrifugation.

[0039] 2. Equipment:

[0040] Colorimeter: CR-400 (Konica Minolta, Minolta, Japan)

[0041] Respirator: Li-6262 CO 2 / H 2 O analyzer (LI-COR, Inc., Lincoln, NE, USA)

[00...

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PUM

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Abstract

The invention discloses a fruit crinkle-resistant agent, as well as a preparation method and application thereof. The fruit crinkle-resistant agent is prepared from the following raw materials: okra purified polysaccharides, calcium salt and fibroin. Combination of okra purified polysaccharides, fibroin and calcium salt is utilized in the scheme, the fibroin has relatively good air and moisture permeating performance and excellent mechanical performance, the okra purified polysaccharides have relatively good moisture retention and film-forming property, and Ca<2+> is an important component ofplant tissues and an important component element of plant cell walls and can be connected to a pectin unit to facilitate maintenance of fruit firmness. Therefore, the fruit crinkle-resistant agent prepared by utilizing the combination of the okra purified polysaccharides, fibroin and calcium salt can achieve a relatively good crinkle-resistant effect in a normal-temperature storing process after passion fruits and other fruits are picked up.

Description

technical field [0001] The invention relates to the field of fruit anti-wrinkle technology, in particular to a fruit anti-wrinkle agent and its preparation method and application. Background technique [0002] The respiration of different types and varieties of fruits is very different. The respiration intensity of some fruits gradually decreases at the beginning of storage, and then increases rapidly, and then decreases rapidly after a short period of time. This phenomenon is called respiratory jump phenomenon. According to whether there is a climacteric phenomenon, the fruits can be divided into climacteric fruits and non-climactic fruits. During the storage process of respiration-climbing fruits, the respiration rate gradually increases until the respiration peak occurs. Once the respiration peak passes, the quality will decline rapidly, and there will be shrinkage, softening, browning, lignification, rot and other quality deterioration phenomena. . The commodity value ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/154A23B7/157A23L19/00
CPCA23B7/154A23B7/157A23L19/00A23V2002/00A23V2250/1578A23V2250/51A23V2250/54A23V2250/542
Inventor 刘娟卢传礼李亚军梁磊陈骏佳
Owner 广东省科学院生物与医学工程研究所
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